Non-catalytic natural gas hydrogen production reformer

Abstract

The utility model relates to the technical field of hydrogen production, and discloses a non-catalytic natural gas hydrogen production reformer which comprises a first furnace body, a second furnace body is fixedly connected to the right side of the first furnace body, an igniter is installed in the middle of the second furnace body, a connecting pipe is installed between the first furnace body and the second furnace body, an output pipe is fixedly connected to the top of the second furnace body, and the output pipe is connected with a gas inlet pipe. A first air inlet pipe and a second air inlet pipe are sequentially and fixedly connected to the outer side of the first furnace body from bottom to top, a partition plate is fixedly connected to the middle of the first furnace body, and a one-way valve is fixedly connected to the middle of the partition plate. According to the utility model, firstly, natural gas is input into the furnace body I through the gas inlet pipe I, so that the natural gas forms bubbles in a potassium carbonate solution in the furnace body I, and meanwhile, the stirring rod is driven to stir the bubbles under the action of the stepping motor, so that sulfides in the bubbles can be adsorbed by the solution, and the sulfides entering the furnace body II are reduced; and meanwhile, the combustion efficiency of the natural gas is improved.

Description

A catalytic-free natural gas hydrogen conversion furnace Technical Field

[0001] This utility model relates to the field of hydrogen production technology, and in particular to a catalytic-free natural gas hydrogen conversion furnace. Background Technology

[0002] As the global energy structure transitions towards a low-carbon model, hydrogen energy, with its zero-carbon emission characteristics, has become one of the core pillars of the clean energy system. Among them, the catalytic-free natural gas hydrogen production furnace is a new type of hydrogen production equipment that is being widely promoted. It mainly produces hydrogen by reacting natural gas with water vapor and using a thermochemical reaction under high temperature conditions. This catalytic-free hydrogen production technology can not only reduce the cost of catalyst consumption, but also simplify the production process and reduce dependence on precious metal catalysts, thereby reducing environmental pollution and improving energy efficiency.

[0003] Existing natural gas-to-hydrogen converters mix natural gas and pure oxygen in a specific ratio, then ignite them partially in the combustion chamber to release heat and generate syngas containing H2 and CO. Hydrogen is then extracted through a subsequent water-gas shift reaction. However, in actual use, natural gas contains a large amount of sulfides, which not only corrode the equipment but also affect combustion efficiency and produce toxic gases. Therefore, a catalytic-free natural gas-to-hydrogen converter is proposed to solve the above problems. Summary of the Invention

[0004] To overcome the above shortcomings, this utility model provides a catalytic-free natural gas hydrogen conversion furnace, which aims to improve the problem that sulfides in natural gas can damage equipment in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A catalytic-free natural gas hydrogen conversion furnace includes a furnace body one, a furnace body two fixedly connected to the right side of the furnace body one, an igniter installed in the middle of the furnace body two, a connecting pipe installed between the furnace body one and the furnace body two, an output pipe fixedly connected to the top of the furnace body two, an inlet pipe one and an inlet pipe two fixedly connected sequentially from bottom to top on the outer side of the furnace body one, a partition fixedly connected to the middle of the furnace body one, a one-way valve fixedly connected to the middle of the partition, and a drive assembly installed in the middle of the furnace body one.

[0007] The drive assembly includes a stepper motor, which is fixedly connected to the top of the furnace body. A rotating rod is fixedly connected to the output end of the stepper motor. The rotating rod passes through the partition, and multiple stirring rods are fixedly connected to the outside of the rotating rod.

[0008] As a further description of the above technical solution:

[0009] A shell is fixedly connected to the right side of the second furnace body. One end of the output pipe passes through the top of the shell and is fixedly connected to a telescopic pipe. A telescopic cylinder is fixedly connected to the top of the shell. A top cover is fixedly connected to the output end of the telescopic cylinder. The other end of the telescopic pipe is fixedly connected to the middle of the top cover. A round rod is fixedly connected to the inner bottom of the shell. A sleeve is slidably connected to the outer circumference of the round rod. An elastic component is installed on the outer circumference of the round rod. A bottom cover is fixedly connected to the middle of the sleeve. A filter bucket is slidably connected to the middle of the bottom cover. A sealing component is installed between the filter bucket and the middle of the top cover. A hydrogen pipe is fixedly connected to the bottom of the bottom cover.

[0010] As a further description of the above technical solution:

[0011] The elastic component includes a compression spring, which is sleeved on the outer periphery of the round rod, and a stop block is fixedly connected to the top end of the round rod;

[0012] As a further description of the above technical solution:

[0013] The sealing assembly includes a rubber gasket, which is fixedly connected to the bottom of the top cover. A slot is provided on the top of the filter hopper, and the rubber gasket is slidably connected to the middle of the slot.

[0014] As a further description of the above technical solution:

[0015] A sealing ring is fixedly connected to the top of the bottom cover;

[0016] As a further description of the above technical solution:

[0017] A filter plate is fixedly connected to the middle of the air intake pipe;

[0018] As a further description of the above technical solution:

[0019] The plurality of stirring rods are respectively located on the upper and lower sides of the partition plate;

[0020] As a further description of the above technical solution:

[0021] The compression spring is located between the sleeve and the inner bottom of the outer casing.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, natural gas is first introduced into furnace body one through the gas inlet pipe one, so that natural gas forms bubbles in the potassium carbonate solution in furnace body one. At the same time, under the action of the stepper motor, the stirring rod is driven to stir the bubbles so that the sulfides in the bubbles can be adsorbed by the solution, thereby reducing the amount of sulfides entering furnace body two, thus avoiding equipment corrosion, and improving the combustion efficiency of natural gas.

[0024] 2. In this utility model, after natural gas is burned in the furnace body to generate syngas, it enters the top cover through the connection between the output pipe and the telescopic pipe. The telescopic cylinder drives the top cover to move downward, so that the top cover presses the filter bucket in the middle of the bottom cover. At the same time, under the action of the compression spring, the filter bucket is prevented from being damaged by excessive pressure. Then, the solid carbon generated after combustion is filtered by the filter bucket. The filtered gas is output through the hydrogen pipe to ensure that the subsequent processing steps are not affected by the solid carbon. Attached Figure Description

[0025] Figure 1 is a three-dimensional schematic diagram of a catalytic-free natural gas hydrogen conversion furnace proposed in this utility model;

[0026] Figure 2 is a schematic diagram of the stirring rod of a non-catalytic natural gas hydrogen conversion furnace proposed in this utility model;

[0027] Figure 3 is a schematic diagram of the filter plate structure of a non-catalytic natural gas hydrogen conversion furnace proposed in this utility model;

[0028] Figure 4 is a schematic diagram of the top cover of a non-catalytic natural gas hydrogen conversion furnace proposed in this utility model;

[0029] Figure 5 is a schematic diagram of the bottom cover of a non-catalytic natural gas hydrogen conversion furnace proposed in this utility model.

[0030] Legend:

[0031] 1. Furnace body one; 2. Stepper motor; 3. Connecting pipe; 4. Furnace body two; 5. Output pipe; 6. Ignition device; 7. Telescopic cylinder; 8. Outer shell; 9. Top cover; 10. Bottom cover; 11. Hydrogen pipe; 12. Filter hopper; 13. Rotating rod; 14. Stirring rod; 15. Baffle plate; 16. Inlet pipe one; 17. Inlet pipe two; 18. One-way valve; 19. Filter plate; 20. Telescopic pipe; 21. Sleeve; 22. Compression spring; 23. Round rod; 24. Rubber pad; 25. Sealing ring; 26. Stop block; 27. Slot. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Referring to Figures 1 and 2, one embodiment of this utility model is provided: a catalytic-free natural gas hydrogen conversion furnace, including a furnace body 1, a furnace body 2 4 fixedly connected to the right side of the furnace body 1, an igniter 6 installed in the middle of the furnace body 2 4, a connecting pipe 3 installed between the furnace body 1 and the furnace body 2 4, an output pipe 5 fixedly connected to the top of the furnace body 2 4, an inlet pipe 1 16 and an inlet pipe 2 17 fixedly connected sequentially from bottom to top on the outer side of the furnace body 1, a partition 15 fixedly connected to the middle of the furnace body 1, a one-way valve 18 fixedly connected to the middle of the partition 15, a drive assembly installed in the middle of the furnace body 1, the drive assembly including a stepper motor 2, the stepper motor 2 fixedly connected to the top of the furnace body 1, a rotating rod 13 fixedly connected to the output end of the stepper motor 2, the rotating rod 13 passing through the partition 15, and multiple stirring rods 14 fixedly connected to the outer side of the rotating rod 13, the multiple stirring rods 14 being located on the upper and lower sides of the partition 15 respectively. First, natural gas is introduced into the potassium carbonate solution inside furnace body 1 through inlet pipe 16 to form bubbles, allowing sulfides in the natural gas to be adsorbed by the potassium carbonate solution. Simultaneously, stepper motor 2 drives rotating rod 13 to rotate, which in turn drives stirring rod 14 to stir the potassium carbonate solution and bubbles, thereby improving the absorption efficiency of sulfides by the potassium carbonate solution. After the bubbles rise, they enter the area above baffle 15 through one-way valve 18. At the same time, oxygen is introduced into furnace body 11 through inlet pipe 2 to mix with the natural gas. While stirring rod 14 below baffle 15 stirs the bubbles and solution, stirring rod 14 above baffle 15 stirs the natural gas and oxygen to ensure thorough mixing. This ensures that the natural gas can be fully burned under the action of igniter 6 after entering furnace body 2 through connecting pipe 3, thereby reducing waste.

[0034] Referring to Figure 3, a filter plate 19 is fixedly connected to the middle of the air inlet pipe 16. The filter plate 19 causes the natural gas to form numerous tiny bubbles in the solution, thereby facilitating the absorption of sulfides by the solution.

[0035] Referring to Figures 4 and 5, a shell 8 is fixedly connected to the right side of furnace body 2 4. One end of the output pipe 5 passes through the top of the shell 8 and is fixedly connected to a telescopic pipe 20. A telescopic cylinder 7 is fixedly connected to the top of the shell 8. A top cover 9 is fixedly connected to the output end of the telescopic cylinder 7. The other end of the telescopic pipe 20 is fixedly connected to the middle of the top cover 9. A round rod 23 is fixedly connected to the inner bottom of the shell 8. A sleeve 21 is slidably connected to the outer circumference of the round rod 23. An elastic component is installed on the outer circumference of the round rod 23. A bottom cover 10 is fixedly connected to the middle of the sleeve 21. A filter is slidably connected to the middle of the bottom cover 10. The filter bucket 12 and the top cover 9 are equipped with a sealing assembly. The bottom cover 10 is fixedly connected to the bottom of the hydrogen pipe 11. The elastic assembly includes a compression spring 22, which is sleeved on the outer periphery of the round rod 23. The top of the round rod 23 is fixedly connected to a stop block 26. The sealing assembly includes a rubber pad 24, which is fixedly connected to the bottom of the top cover 9. The top of the filter bucket 12 is provided with a slot 27, and the rubber pad 24 is slidably connected to the middle of the slot 27. The top of the bottom cover 10 is fixedly connected to a sealing ring 25. The compression spring 22 is located between the sleeve 21 and the inner bottom of the outer shell 8.After natural gas is burned to generate syngas in furnace body 24, it enters top cover 9 through the connection between output pipe 5 and telescopic pipe 20. Telescopic cylinder 7 is existing technology, consisting of an air compressor, air tank, filter pressure reducing valve, directional control valve, and flow control valve. During use, the air compressor compresses ambient air to a set pressure and stores it in the air tank. The filter pressure reducing valve further purifies the air and stabilizes the pressure, then delivers it to the control valve through the air pipe. The directional control valve switches the airflow channel according to an electrical signal, thereby determining the telescopic direction of telescopic cylinder 7. The flow control valve adjusts the airflow speed and controls the movement speed of telescopic cylinder 7. Compressed air enters the rodless chamber of telescopic cylinder 7, pushing the piston to move. The piston drives the piston rod to output linear reciprocating motion. At the same time, the piston rod axis of telescopic cylinder 7 is aligned with the load movement direction to avoid lateral force causing piston rod bending or seal wear. This allows telescopic cylinder 7 to move top cover 9 downwards, so that top cover 9 presses filter hopper 12 against bottom cover. In the middle of 10, after 9 applies pressure to the filter bucket 12, the filter bucket 12 drives the sleeve 21 to slide around the outer circumference of the round rod 23 through the bottom cover 10 and squeeze the compression spring 22. Under the action of the compression spring 22, the filter bucket 12 is prevented from being damaged by excessive pressure. At the same time, under the counter-push of the compression spring 22, the filter bucket 12 is fixed between the top cover 9 and the bottom cover 10. Then, the solid carbon produced after combustion is filtered by the filter bucket 12. The filtered gas is output through the hydrogen pipe 11 to ensure that the subsequent processing process is not affected by the solid carbon. At the same time, when the top cover 9 presses down on the filter bucket 12, it will drive the rubber pad 24 to insert into the slot 27, thereby improving the sealing effect and preventing gas leakage. At the same time, under the action of the sealing ring 25, the sealing effect between the bottom cover 10 and the filter bucket 12 is improved, further improving the sealing effect. After a long period of filtration, the telescopic cylinder 7 is driven to lift the top cover 9 so that the staff can quickly take out the filter bucket 12 for cleaning or replacement, thereby ensuring the effect.

[0036] Working principle: First, natural gas is introduced into furnace body 1 through inlet pipe 16, causing the natural gas to form bubbles in the potassium carbonate solution inside furnace body 1. At the same time, under the action of stepper motor 2, stirring rod 14 is driven to stir the bubbles, so that the sulfides in the bubbles can be adsorbed by the solution, thereby reducing the amount of sulfides entering furnace body 4 and avoiding equipment corrosion. After the natural gas bubbles rise, they enter the upper part of furnace body 1 through one-way valve 18. Meanwhile, oxygen is introduced through inlet pipe 17. Under the stirring of stirring rod 14, oxygen is fully mixed with natural gas and enters furnace body 4 through connecting pipe 3, thereby improving the combustion efficiency of natural gas.

[0037] After natural gas is burned in furnace body 4 to generate syngas, it enters the top cover 9 through the connection between the output pipe 5 and the telescopic pipe 20. The telescopic cylinder 7 drives the top cover 9 to move downward, so that the top cover 9 presses the filter hopper 12 into the middle of the bottom cover 10. At the same time, the pressure spring 22 prevents the filter hopper 12 from being damaged by excessive pressure. Under the push of the pressure spring 22, the filter hopper 12 is fixed between the top cover 9 and the bottom cover 10. Then, the solid carbon generated after combustion is filtered by the filter hopper 12. The filtered gas is output through the hydrogen pipe 11 to ensure that subsequent processing steps are not affected by solid carbon.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A catalytic-free natural gas hydrogen conversion furnace, comprising a furnace body (1), characterized in that: Furnace body one (1) is fixedly connected to furnace body two (4) on the right side. An igniter (6) is installed in the middle of furnace body two (4). A connecting pipe (3) is installed between furnace body one (1) and furnace body two (4). An output pipe (5) is fixedly connected to the top of furnace body two (4). An air inlet pipe one (16) and an air inlet pipe two (17) are fixedly connected from bottom to top on the outside of furnace body one (1). A partition (15) is fixedly connected to the middle of furnace body one (1). A one-way valve (18) is fixedly connected to the middle of partition (15). A drive assembly is installed in the middle of furnace body one (1). The drive assembly includes a stepper motor (2). The stepper motor (2) is fixedly connected to the top of furnace body one (1). A rotating rod (13) is fixedly connected to the output end of the stepper motor (2). The rotating rod (13) passes through the partition (15). Multiple stirring rods (14) are fixedly connected to the outside of the rotating rod (13).

2. The catalytic-free natural gas hydrogen conversion furnace according to claim 1, characterized in that: A shell (8) is fixedly connected to the right side of the furnace body (4). One end of the output pipe (5) passes through the top of the shell (8) and is fixedly connected to a telescopic pipe (20). A telescopic cylinder (7) is fixedly connected to the top of the shell (8). A top cover (9) is fixedly connected to the output end of the telescopic cylinder (7). The other end of the telescopic pipe (20) is fixedly connected to the middle of the top cover (9). A round rod (23) is fixedly connected to the inner bottom of the shell (8). A sleeve (21) is slidably connected to the outer periphery of the round rod (23). An elastic component is installed on the outer periphery of the round rod (23). A bottom cover (10) is fixedly connected to the middle of the sleeve (21). A filter bucket (12) is slidably connected to the middle of the bottom cover (10). A sealing component is installed between the filter bucket (12) and the middle of the top cover (9). A hydrogen pipe (11) is fixedly connected to the bottom of the bottom cover (10).

3. The catalytic-free natural gas hydrogen conversion furnace according to claim 2, characterized in that: The elastic component includes a compression spring (22), which is sleeved on the outer periphery of the round rod (23), and a stop block (26) is fixedly connected to the top end of the round rod (23).

4. A catalytic-free natural gas hydrogen conversion furnace according to claim 2, characterized in that: The sealing assembly includes a rubber pad (24), which is fixedly connected to the bottom of the top cover (9). The top of the filter hopper (12) is provided with a slot (27), and the rubber pad (24) is slidably connected to the middle of the slot (27).

5. A catalytic-free natural gas hydrogen conversion furnace according to claim 2, characterized in that: A sealing ring (25) is fixedly connected to the top of the bottom cover (10).

6. The catalytic-free natural gas hydrogen conversion furnace according to claim 1, characterized in that: A filter plate (19) is fixedly connected to the middle of the air intake pipe (16).

7. A catalytic-free natural gas hydrogen conversion furnace according to claim 1, characterized in that: The plurality of stirring rods (14) are located on the upper and lower sides of the partition (15), respectively.

8. A catalytic-free natural gas hydrogen conversion furnace according to claim 3, characterized in that: The compression spring (22) is located between the sleeve (21) and the inner bottom of the outer shell (8).

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